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61 lines
2.3 KiB
Plaintext
61 lines
2.3 KiB
Plaintext
'#--------------------FN_DYNVARS_015_01-------------------------#'
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SET @global_collation_connection = @@global.collation_connection;
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SET @session_collation_connection = @@session.collation_connection;
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SET @@global.collation_connection = latin1_danish_ci;
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'connect (con1,localhost,root,,,,)'
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'connection con1'
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SELECT @@global.collation_connection;
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@@global.collation_connection
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latin1_danish_ci
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SELECT @@session.collation_connection;
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@@session.collation_connection
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latin1_danish_ci
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'#--------------------FN_DYNVARS_015_02-------------------------#'
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'connection default'
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DROP TABLE IF EXISTS t1;
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'----check if collation_connection update character_set_connection---'
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SET @@session.collation_connection = utf8_spanish_ci;
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SELECT @@collation_connection, @@character_set_database;
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@@collation_connection @@character_set_database
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utf8_spanish_ci latin1
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'---check if collation_connection works for literal string comparision--'
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SET @@session.collation_connection = latin1_swedish_ci;
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SELECT 'mysql'='MySql';
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'mysql'='MySql'
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1
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SELECT _latin2'mysql' COLLATE latin2_general_ci='MySql';
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_latin2'mysql' COLLATE latin2_general_ci='MySql'
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1
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SELECT _utf8'mysql'=_utf8'MySql' COLLATE utf8_unicode_ci;
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_utf8'mysql'=_utf8'MySql' COLLATE utf8_unicode_ci
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1
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SET @@session.collation_connection = latin1_general_cs;
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SELECT 'mysql'='MySql';
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'mysql'='MySql'
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0
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SELECT _latin2'mysql'COLLATE latin2_general_ci='MySql';
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_latin2'mysql'COLLATE latin2_general_ci='MySql'
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1
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SELECT _utf8'mysql'COLLATE utf8_danish_ci=_utf8'MySql'COLLATE utf8_unicode_ci;
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ERROR HY000: Illegal mix of collations (utf8_danish_ci,EXPLICIT) and (utf8_unicode_ci,EXPLICIT) for operation '='
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'---collation_connection does not effect comparision with column---'
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CREATE TABLE t1(a CHAR(20)CHARACTER SET latin1 COLLATE latin1_german2_ci);
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INSERT INTO t1 VALUES('Müller');
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SET @@session.collation_connection = latin2_hungarian_ci;
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SELECT * FROM t1 WHERE a='Müller';
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a
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Müller
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SET @@session.collation_connection = latin1_general_cs;
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SELECT * FROM t1 WHERE a='müller';
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a
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Müller
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'check if string literal collation is used';
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SELECT * FROM t1 WHERE a='müller' COLLATE latin1_general_cs;
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a
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SELECT * FROM t1 WHERE a='müller' COLLATE latin1_german1_ci;
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a
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Müller
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DROP TABLE t1;
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SET @@global.collation_connection = @global_collation_connection;
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SET @@session.collation_connection = @session_collation_connection;
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